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Heart|Natural|GIA

1.51ct D IF Heart Natural Diamond

EX • D/IF • GIA 5546398680

Certificate GIA 5546398680

Diamond specifications and retailer prices

From £10,229 GBP
As of November 5, 2026
Save £6,622 GBP (39%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: £16,851 GBP at MOH London · As of November 4, 2026
View at MOH London

About this 1.51ct natural heart diamond

This 1.51ct natural heart sits in the one-and-a-half to two carat band, graded D colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 5546398680. Listed at 8 retailers as of November 4, 2026, with prices from £10,229 to £16,851, a £6,622 spread on the same certified stone. MOH London lists it at £16,851. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.51
Carat
D
Colour
IF
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 5546398680
Dimensions7.29 × 8.13 × 4.51 mm
L/W Ratio1.12
Top View
7.29 mm8.13 mm1.51 ctD / IF
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 5546398680
Side View
Table 63.0%CrownGirdle: STK-VTKPavilionCulet: NoneDepth 55.5%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 5
Current: £16,851 GBP|Low: £9,917 GBP|High: £17,101 GBP|Avg: £12,870 GBP|-0.3%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 6, 2026
Retailer 6£10,229 GBP
Retailer 4£10,368 GBP
Retailer 2£11,373 GBP
Retailer 8£11,373 GBP
Retailer 3£11,393 GBP
Retailer 7£12,686 GBP
Retailer 9£13,579 GBP
Retailer 5£15,327 GBP
MOH London£16,851 GBP

39 data points across 9 retailers

8 retailers£10,229 GBP to £16,851 GBP

A
Cheapest Retailer
-
£10,229 GBP
A
Retailer 2
-
£10,368 GBP
View
Final sale: no returns
A
Retailer 3
-
£11,373 GBP
View
A
Retailer 4
-
£11,373 GBP
View
A
Retailer 5
-
£11,393 GBP
View
B+
Retailer 6
-
£12,686 GBP
View
B+
Retailer 7
-
£15,327 GBP
View
Most Expensive
B+
MOH London
5FABC4BA2 · Nov 4
£16,851 GBP
View
7 more retailers have this diamond
Prices start from £10,229 GBPSave up to £6,622 GBP

Carat Hunter is not affiliated with, endorsed by, or sponsored by any retailer listed. Retailer information is from publicly available sources and may not be current. Verify details directly with the retailer before purchasing. Return terms as we hold them. Check the retailer's own returns page before you buy.

A
1.51ct Heart
£10,229 GBP